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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3646 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 535 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1541 ∈ wcel 2113 {crab 3399 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3400 df-v 3442 |
| This theorem is referenced by: unimax 4900 fnelfp 7121 fnelnfp 7123 fnse 8075 fin23lem30 10252 isf32lem5 10267 negn0 11566 ublbneg 12846 supminf 12848 sadval 16383 smuval 16408 dvdslcm 16525 dvdslcmf 16558 isprm2lem 16608 isacs1i 17580 isinito 17920 istermo 17921 subgacs 19090 nsgacs 19091 odngen 19506 sdrgacs 20734 lssacs 20918 mretopd 23036 txkgen 23596 xkoco1cn 23601 xkoco2cn 23602 xkoinjcn 23631 ordthmeolem 23745 shft2rab 25465 sca2rab 25469 lhop1lem 25974 ftalem5 27043 vmasum 27183 eqcuts2 27782 elmade 27853 addonbday 28275 israg 28769 ebtwntg 29055 eupth2lem3lem3 30305 eupth2lem3lem4 30306 eupth2lem3lem6 30308 cycpmco2lem1 33208 cycpmco2lem4 33211 cycpmco2 33215 ssdifidllem 33537 1arithufdlem2 33626 tgoldbachgt 34820 cvmliftmolem1 35475 neibastop3 36556 fdc 37946 pclvalN 40150 dvhb1dimN 41246 hdmaplkr 42173 aks4d1p8 42341 sticksstones1 42400 fsuppssind 42836 diophren 43055 islmodfg 43311 fsovcnvlem 44254 ntrneiel 44322 radcnvrat 44555 supminfxr 45708 stoweidlem34 46278 |
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